_Albert I WELF ____________+
                                              | (1236 - 1279)             
                       _Henry I WELF _________|
                      | (1267 - 1322) m 1282  |
                      |                       |_Adelheid of ALERAMICI ____
                      |                         (1242 - 1285)             
 _Henry II WELF ______|
| (1296 - 1351)       |
|                     |                        _Albert II WETTIN _________+
|                     |                       | (1240 - 1314)             
|                     |_Agnes of WETTIN ______|
|                       (1264 - 1332) m 1282  |
|                                             |_Margaret of HOHENSTAUFEN _+
|                                               (1241 - 1270)             
|
|--Otto WELF 
|  (1320 - 1398)
|                                              _John I ASCANIA ___________+
|                                             | (1213 - 1266) m 1255      
|                      _Henry I ASCANIA ______|
|                     | (1255 - 1317)         |
|                     |                       |_Jutta of ASCANIA _________+
|                     |                          m 1255                   
|_Judith of ASCANIA __|
  (1302 - 1330)       |
                      |                        _Louis I WITTELSBACH ______+
                      |                       | (1229 - 1293)             
                      |_Agnes of WITTELSBACH _|
                        (1276 - 1345)         |
                                              |_Matilda of HABSBURG ______+
                                                (1253 - 1304)